李威威 張海萍 吳敏 王林
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·論著·
DC-CIK細(xì)胞聯(lián)合常規(guī)化療治療晚期非小細(xì)胞肺癌的臨床有效性與安全性分析
李威威張海萍吳敏王林
非小細(xì)胞肺腫瘤;化療;DC-CIK細(xì)胞;有效性;安全性
非小細(xì)胞肺癌(non-small cell lung cancer,NSCLC)是中老年人群呼吸系統(tǒng)較為常見的惡性腫瘤,晚期(臨床分期[1]Ⅲ~Ⅳ期)患者手術(shù)治療的效果并不理想[2],因此,尋找安全有效的內(nèi)科療法是腫瘤界眾多醫(yī)學(xué)同仁研究的熱點。我院采用DC-CIK細(xì)胞聯(lián)合常規(guī)化療使晚期NSCLC患者獲益明顯,報告如下。
1.1一般資料選取2010年1月至2013年10月我院腫瘤科收治的晚期NSCLC患者81例,其中男58例,女33例;年齡41~73歲,平均年齡(52±14)歲。依據(jù)治療方式不同,將行NP化療聯(lián)合DC-CIK細(xì)胞治療者設(shè)為觀察組(n=40),行NP化療者設(shè)為對照組(n=41)。2組患者性別比、年齡、體力狀態(tài)(KPS評分[3])、體重指數(shù)、病理類型、臨床分期、病程、基礎(chǔ)病、家族遺傳史、既往治療史等基線資料比較差異均無統(tǒng)計學(xué)意義(P>0.05),具有可比性。本研究經(jīng)醫(yī)院倫理委員會批準(zhǔn),患者及家屬同意并簽署知情同意書。見表1。
1.2選擇標(biāo)準(zhǔn)
1.2.1納入標(biāo)準(zhǔn):①所有患者入院時滿足《中國原發(fā)性肺癌診療規(guī)范·2015年版》[4],且經(jīng)病理進(jìn)一步確診為NSCLC;②臨床分期參照國際肺癌研究協(xié)會(IASLC)第7版《肺癌TNM分期》[1]確定為Ⅲ~Ⅳ期;③KPS評分不少于60分;④病例資料完善。
1.2.2排除標(biāo)準(zhǔn):①診斷、病理類型或臨床分期不明確者;②未完成4個周期NP方案化療;③合并有心、肝、腦、腎等嚴(yán)重基礎(chǔ)??;④合并其他NSCLC以外的其他腫瘤;⑤合并有感染性疾病、內(nèi)分泌系統(tǒng)或免疫系統(tǒng)異常者;⑥哺乳及妊娠期女性;⑦近6個月免疫抑制劑或激素類藥物持續(xù)服用者。
表1 2組患者基線資料情況
1.5療效標(biāo)準(zhǔn)(1)臨床療效:結(jié)合患者治療前后的影像學(xué)檢查結(jié)果,依據(jù)實體瘤的療效評價標(biāo)準(zhǔn)[6]對所有患者進(jìn)行依次評定,其中,癌灶完全消除持續(xù)30 d者為完全緩解;最長徑癌灶之和減少≥30%持續(xù)30 d者為部分緩解;最長徑癌灶之和增加≥20%持續(xù)30 d者為進(jìn)展;介于進(jìn)展與部分緩解之間者為穩(wěn)定;總有效率=完全緩解率+部分緩解率,疾病控制率=有效率+穩(wěn)定率。(2)體力狀態(tài):參照Karnofsky評分法[3](KPS)評定并記錄患者治療前后體力狀態(tài),其中,改善:KPS總分增加>10分;惡化:KPS總分減少>10分;穩(wěn)定:KPS總分增加或減少不超過10分;體力狀態(tài)總提高率=改善率+穩(wěn)定率。(3)不良反應(yīng)評價:血細(xì)胞變化、胃腸道反應(yīng)等不良反應(yīng)的評定主要參考《WHO抗腫瘤藥毒性急性與亞急性毒副反應(yīng)分度標(biāo)準(zhǔn)》[7]。
2.12組患者療效比較總有效率觀察組高于對照組,但差異無統(tǒng)計學(xué)意義(χ2=1.468,P=0.079);疾病控制率高于對照組(χ2=5.374,P=0.041)。見表2。
表2 2組患者療效比較 例(%)
2.22組患者體力狀態(tài)比較觀察組患者體力狀態(tài)總提高率高于對照組(χ2=10.957,P=0.016)。見表3。
表3 2組患者體力狀態(tài)比較 例(%)
2.3生存情況比較截止到隨訪日期,觀察組40例患者,死亡30例,存活10例,其中位無瘤生存期7.5個月(95%CI:5.16~8.95),中位生存期14.5個月(95%CI:10.05~17.95);對照組41例患者,死亡35例,6例存活,其中位無瘤生存期4.5個月(95%CI:3.17~6.92),中位生存期11.5個月(95%CI:9.11~14.87);log-rank檢驗顯示,觀察組患者中位無瘤生存期長于對照組(χ2=6.557,P=0.038),中位生存期長于對照組,但差異無統(tǒng)計學(xué)意義(χ2=1.384,P=0.082)。2組患者生存曲線及無進(jìn)展生存曲線見圖1、2。
圖1 2組患者生存曲線
圖2 2組患者的生存曲線
2.52組患者不良反應(yīng)比較觀察組患者發(fā)熱率高于對照組(χ2=6.549,P=0.032);2組患者白細(xì)胞降低、血小板降低、脫發(fā)、消化道反應(yīng)、肝功能損害、腎功能損害等不良反應(yīng)發(fā)生率比較,差異均無統(tǒng)計學(xué)意義(χ2=2.014,P=0.076;χ2=1.247,P=0.098;χ2=1.954,P=0.081;χ2=1.358,P=0.095;χ2=1.657,P=0.088;χ2=1.028,P=0.104)。2組患者不良反應(yīng)輕微,給予對癥處理后均得到控制。見表5。
表4 2組患者外周血T淋巴細(xì)胞陽性百分比比較 ±s
表5 2組患者不良反應(yīng)發(fā)生情況比較 例
NSCLC起病隱匿,加之我國較低的醫(yī)療知識普及程度和健康宣教力度,不少患者確診時已處于晚期,顯著降低了手術(shù)治療的意義。目前,運用較多的以規(guī)范化療為中心的內(nèi)科療法雖能通過殺傷一定比例的腫瘤細(xì)胞來降低腫瘤負(fù)荷、緩解臨床癥狀,但難以徹底清除微小病灶,且多數(shù)化療對患者的免疫系統(tǒng)、血液系統(tǒng)等有著較多不利的影響[8]。因此,探求科學(xué)可靠的內(nèi)科療法有重要臨床意義。
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Clinical efficiency and safety of DC-CIK cells combined with conventional chemotherapy in treatment of advanced non small cell lung cancer
LIWeiwei,ZHANGHaiping,WUMin,etal.
DepartmentofOncology,TheFirstPeople’sHospitalofTianmenCity,Hubei,Tianmen431700,China
ObjectiveTo analyze the clinical efficiency and safety of DC-CIK cells combined with conventional chemotherapy in treatment of advanced non small cell lung cancer (NSCLC).MethodsEighty-one patients with NSCLC who were admitted and treated in Department of Oncology of our hospital from January 2010 to October were enrolled in the study. According to different therapy modes,these patients were divided into observation group (n=40) and control group (n=41). The patients in observation group were treated by NP chemotherapy combined with DC-CIK cells,however,the patients in control group were treated by NP chemotherapy only. The therapeutic effects, performance status (Karnofsky score ), changes of immune function, blood routine test, liver and kidney function, adverse reactions, survival status were observed and compared between two groups.ResultsThe total effective rate in observation group and control group was 37.50% and 29.27%,respectively, there was no significant difference between two groups (χ2=1.468,P>0.05).The disease control rate and total improvement rate of physical state in observation group was 87.50%, 90.00%,respectively,which was significantly higher than that (75.61%, 73.1%, respectively) in control group (P<0.05).Until the end of follow up,among 40 patients in observation group,30 patients died and 10 patients survived in whom the median carcinoma-free survival time was 7.5 months, and the median survival time was 14.5 months, however, among 41 patients in control group,35 patients died,6 patients survived in whom the median carcinoma-free survival time was 4.5 months, the median survival time was 11.5 months. Log-rank detection showed that the median carcinoma-free survival time in observation group was significant longer than that in control group (χ2=6.557,P<0.05),moreover, the median survival time in observation group was
non small cell lung cancer; chemotherapy; DC-CIK cell; effectiveness; safety
10.3969/j.issn.1002-7386.2016.19.004
431700湖北省天門市第一人民醫(yī)院腫瘤科
R 734.2
A
1002-7386(2016)19-2900-05
2016-03-17)